Seiko Cal. 3889 - 365

The Seiko 3889-365 represents an important milestone in Seiko's 1966 lineup. It features a Silver dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-58216042ac24]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1966

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